If you are a licensed amateur radio operator, firmware is now available which enables two Dreamcatchers to exchange text messages. The new firmware also enables FT8 transmissions, but these can only be received by a dedicated FT8 receiver; an RTL-SDR with the right software, for example.
To be clear, this is for terrestrial transmissions–and is only available to hams.
It’s pretty neat. The firmware is available here: